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【单选题】
发光二极管的正向压降为( )左右。A.
0.1V
B.
0.3V
C.
0.7V
D.
2V
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反馈参考答案：
举一反三
【简答题】当我方援引或对方援引不可抗力条款要求免责时，我方应分别注意哪些问题？
【单选题】听力原文：M：I wonder if Jim caught the tram yesterday. W：I think he did．He left for the train station at 9:15，but the train wouldn't leave until 9:35. Q：When did the train leave? (10)
A.
At 9:15.
B.
At 9:35.
C.
At 9:50.
D.
At 9:20.
【简答题】已知汉字“家”的区位码是2850H,则其国标码是( )
【单选题】听力原文：M: I wonder if Jim caught the train yesterday. W: I think he did. He left for the train station at 9:15. but the train wouldn't leave until 9:35. Q: When did the train leave? (10)
A.
At 9:15.
B.
At 9:35.
C.
At 9:50.
D.
At 9:20.
【简答题】Hans has a new car. I wonder when____________it. A.he bought B.did he buy C.buys D.he is buying
【简答题】当我方援引或对方援引不可抗力条款要求免责时。我方应分别注意哪些问题?
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